Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Moulding - Rocker Panel
Removal
1. Remove the front rocker panel moulding screw.
2. Remove the strip.
3. Remove the rear rocker panel moulding screw.
4. Remove the pin-type retainers and the rocker panel moulding.
Installation
1. To install, reverse the removal procedure. ...
Rocker Arm
Removal
CAUTION: If removing more than one rocker arm (6564), mark the
components removed
for correct location.
1. Remove the valve covers. For additional information, refer to
Valve Cover-LH and Valve Cover
RH in this section.
2. Remove the rocker ...
Apply Components
There are eight apply components used to drive or hold the planetary
gearset components.
Band-Overdrive
1. The overdrive band holds the reverse clutch drum stationary in fourth gear
and manual
2. This action
causes the reverse sun gear to be h ...
